/**
 * jt_.js (was 'jt_utils.js') - "JavaScript Toolkit"
 *
 * @version 28 Aug 2007, Copyright (c) 2005-2007 by Joseph Oster, wingo.com
 * http://www.wingo.com/jt_/jt_.js
 * @license http://www.wingo.com/jt_/license.html
 */

var jt_HTML = { // required by 'jt_Trace.xml()'
        safe: function(st) { // encode
                if (st.length === 0) return "";
                st = st.replace(/</gi,"&lt;");
                st = st.replace(/>/gi,"&gt;");
                st = st.replace(/\"/gi,'&quot;');
                st = st.replace(/\'/gi,"&#39;");
                st = st.replace(/\\/gi,"&#92;");
                return st;
                },
        unsafe: function(st) { // decode
                if (st.length === 0) return "";
                st = st.replace(/&lt;/gi,"<");
                st = st.replace(/&gt;/gi,">");
                st = st.replace(/&quot;/gi,'"');
                st = st.replace(/&#39;/gi,"'");
                st = st.replace(/&#92;/gi,"\\");
                return st;
                }
        }

var jt_Trace = {
        msg: function(txt) {
                jt_Trace.init();
                if (jt_Trace.trace) jt_Trace.txt(txt);
                },
        xml: function(req, lbl) { // 'req' is 'XMLHttpRequest', requires 'jt_HTML'
                jt_Trace.init();
                if (jt_Trace.trace && jt_Trace.traceXML) jt_Trace.txt(lbl + "<br>" + jt_HTML.safe(req.responseText).replace(/\t/gi,"&nbsp;&nbsp;&nbsp;&nbsp;").replace(/\n/gi,"<br>"));
                },
        on: function() {
                jt_Trace.trace = true;
                if (jt_Trace.tDIV) {jt_Trace.tDIV.style.display = "block";}
                },
        off: function() {
                jt_Trace.trace = false;
                if (jt_Trace.tDIV) {jt_Trace.tDIV.style.display = "none";}
                },
        bg: function(bg) {
                //if (jt_Trace.tDIV) {jt_Trace.tDIV.style.background = bg ? jt_Trace.css.background : "none";}
                },
        clr: function() {
                if (jt_Trace.tDIV) {
                        jt_Trace.bg();
                        jt_Trace.tDIV.innerHTML = jt_Trace.aTag('jt_Trace.off()', 'off') + jt_Trace.aTag('jt_Trace.clr()', 'clear trace', true);
                        jt_Trace.clrd = jt_Trace.tDIV.childNodes.length;
                        }
                },

        // PRIVATE BELOW
        txt: function(txt) {
                var txtDIV = document.createElement("div");
                txtDIV.innerHTML = txt;
                if (jt_Trace.tDIV.childNodes.length == jt_Trace.clrd) jt_Trace.tDIV.appendChild(txtDIV)
                else jt_Trace.tDIV.insertBefore(txtDIV, jt_Trace.tDIV.childNodes[jt_Trace.clrd]);
                jt_Trace.tDIV.style.top = jt_Trace.css.top;
                jt_Trace.tDIV.style.left = jt_Trace.css.left;
                },
        init: function() {
                if (!jt_Trace.pq) {
                        jt_Trace.pq = new jt_parseQuery();
                        if (jt_Trace.pq.trace) jt_Trace.trace = (jt_Trace.pq.trace != 0);
                        if (jt_Trace.pq.traceXML) jt_Trace.traceXML = (jt_Trace.pq.traceXML != 0);
                        }
                if (jt_Trace.trace && !jt_Trace.tDIV) {
                        jt_Trace.tDIV = document.createElement("div");
                        for (var prop in jt_Trace.css) jt_Trace.tDIV.style[prop] = jt_Trace.css[prop];
                        if (jt_BodyZ) jt_BodyZ.toTop(jt_Trace.tDIV);
                        else document.body.appendChild(jt_Trace.tDIV);
                        jt_Trace.clr();
                        }
                },
        traceXML: true,
        aTag: function(aFunc, aTxt, dash) {return (dash ? ' - ' : '') + '<a href="" onClick="' + aFunc + ';return false;">' + aTxt + '</a>'},
        css: {top:"20px", left:"20px", background:"#FFFFFF", border:"1px solid #a9a9a9", color:"#5a5a5a", textAlign:"left", fontSize:"0.85em", padding:"5px", opacity:"0.9", className:"jt_Trace", position:"absolute"}
        }

var jt_TraceObj = {
        str: function(obj, sep, links) { // convert any JS object 'obj' to string of name:value pairs - adds 'links' for 'jt_TraceObj.show()'

                        function stLbl(lbl) {
                                st += (st == "" ? "" : "<br>") + '<b><font color="#FF0000">' + lbl + '</font></b>: ';
                                addSep = false;
                                }

                        function aLnk(aObj, aTxt) {
                                if (addSep) st += sep;
                                if (links && (typeof aObj == "object")) {
                                        st += jt_Trace.aTag('jt_TraceObj.mem(' + jt_TraceObj.stack.length + ')', aTxt);
                                        jt_TraceObj.stack.push(aObj);
                                        }
                                else st += aTxt;
                                var p = aTxt;
                                st += ":" + ((p.toLowerCase().indexOf("html") == -1) ? aObj : "HTML");
                                addSep = true;
                                }

                if (!sep) sep = ' ][ ';
                var st = "";
                var addSep = false;
                if (obj) {
                        try {
                                if (obj.length && (obj.length > 0) && (typeof obj.item != "undefined")) {
                                        stLbl('items');
                                        for (var x = 0; x < obj.length; x++)
                                                if (obj.item(x)) aLnk(obj.item(x), obj.item(x).nodeName);
                                        }
                                stLbl('props');
                                for (var prop in obj) {
                                        if (prop.charAt(0) == '$') continue;
                                        if ((typeof obj[prop] == 'function') && !jt_TraceObj.okf) continue;
                                        aLnk(obj[prop], prop);
                                        }
                                if (obj.attributes) {
                                        stLbl('attributes');
                                        for (var x = 0; x < obj.attributes.length; x++)
                                                if (obj.attributes[x].nodeValue) aLnk(obj.attributes[x].nodeValue, obj.attributes[x].nodeName);
                                        }
                                }
                        catch(e) {st += "ERROR: " + e.message;}
                        }
                return st;
                },
        show: function(obj) { // use 'jt_Trace', show 'links'

                        function aTag(aFunc, aTxt) {return jt_Trace.aTag('jt_TraceObj.show(jt_TraceObj.tObj.' + aFunc + ')', aTxt, true);}

                if (jt_Trace.trace) {
                        jt_TraceObj.clr(obj);
                        jt_Trace.msg(jt_TraceObj.str(obj, null, true));
                        jt_TraceObj.hist.push(obj);
                        var lnk = jt_Trace.aTag('jt_TraceObj.clr()', 'clear') + jt_Trace.aTag('jt_TraceObj.okfT()', 'functions', true);
                        if (jt_TraceObj.tn != obj) lnk += jt_Trace.aTag('jt_TraceObj.bac()', 'back', true) + jt_Trace.aTag('jt_TraceObj.show(jt_TraceObj.tn)', 'begin', true);
                        if (obj) {
                                if (obj.parentNode) lnk += aTag('parentNode', 'parent');
                                if (obj.previousSibling) lnk += aTag('previousSibling', 'prev');
                                if (obj.nextSibling) lnk += aTag('nextSibling', 'next');
                                if (obj.childNodes && (obj.childNodes.length > 0)) lnk += jt_Trace.aTag('jt_TraceObj.cnOn(event)', 'childNodes', true);
                                if (obj.nodeName) {
                                        lnk += ' - ' + obj.nodeName;
                                        if (obj.id) lnk += ' (' + obj.id + ')';
                                        }
                                }
                        jt_Trace.msg('<b>jt_TraceObj: ' + lnk + '</b>');
                        jt_Trace.bg(true);
                        }
                },
        clr: function(obj) {
                jt_Trace.clr();
                jt_TraceObj.stack = [];
                jt_TraceObj.tObj = obj;
                jt_TraceObj.cnOff();
                if (obj && ((jt_TraceObj.tn == null) || (jt_TraceObj.tn == obj))) {
                        jt_TraceObj.tn = obj;
                        jt_TraceObj.hist = [];
                        }
                },

        // PRIVATE BELOW
        tn: null,
        okf:false,
        mem: function(idx) {jt_TraceObj.show(jt_TraceObj.stack[idx]);},
        bac: function() {
                var t = jt_TraceObj.hist.pop();
                jt_TraceObj.show(jt_TraceObj.hist.pop());
                },
        okfT: function() {
                jt_TraceObj.okf = !jt_TraceObj.okf;
                jt_TraceObj.show(jt_TraceObj.hist.pop());
                },
        cnOn: function(ev) {

                                function pfxGet(depth) {
                                        if (!jt_TraceObj.cnT[depth]) {
                                                jt_TraceObj.cnT[depth] = "";
                                                for (var i=0; i<depth; i++) jt_TraceObj.cnT[depth] += jt_TraceObj.spTab;
                                                }
                                        return jt_TraceObj.cnT[depth];
                                        }

                                function addCNs(obj, depth) {
                                        if (obj.childNodes && (obj.childNodes.length > 0)) {
                                                var pfx = pfxGet(depth);
                                                if ((obj == jt_Trace.tDIV) && (depth > 0)) st.push(pfx + jt_Trace.aTag('jt_TraceObj.show(jt_Trace.tDIV)', 'jt_Trace') + '<br>');
                                                else for (var x=0; x<obj.childNodes.length; x++) {
                                                        var itm = obj.childNodes.item(x);
                                                        if (itm) {
                                                                var iVal = (itm.nodeName == "#text") ? (' ' + itm.nodeValue) : '';
                                                                st.push(pfx + jt_Trace.aTag('jt_TraceObj.mem(' + jt_TraceObj.stack.length + ')', itm.nodeName) + iVal + '<br>');
                                                                jt_TraceObj.stack.push(itm);
                                                                addCNs(itm, depth+1);
                                                                }
                                                        }
                                                }
                                        }

                if (!jt_TraceObj.cnDIV) {
                        jt_TraceObj.cnDIV = document.createElement("div");
                        for (var prop in jt_TraceObj.cnCss) jt_TraceObj.cnDIV.style[prop] = jt_TraceObj.cnCss[prop];
                        jt_TraceObj.spTab = "";
                        for (var i=0; i<7; i++) jt_TraceObj.spTab += "&nbsp;";
                        }
                var targ = ev.srcElement ? ev.srcElement : ev.target;
                targ.parentNode.parentNode.parentNode.appendChild(jt_TraceObj.cnDIV);
                jt_TraceObj.cnDIV.style.zIndex = jt_Trace.tDIV.zIndex+1;
                var st = ['<b>[', jt_Trace.aTag('jt_TraceObj.cnOff()', 'childNodes'), ']</b><br>'];
                addCNs(jt_TraceObj.tObj, 0);
                jt_TraceObj.cnDIV.innerHTML = st.join('');
                jt_TraceObj.cnDIV.style.display = "block";
                },
        cnOff: function() {if (jt_TraceObj.cnDIV) jt_TraceObj.cnDIV.style.display = "none";},
        cnCss: {top:"40px", left:"40px", background:"#FFFFFF", border:"1px solid blue", padding:"10px", className:"jt_TraceObj_cnCss", position:"absolute", display:"none"},
        cnT: []
        } /***** END: 'jt_TraceObj' */

var jt_BodyZ = { /***** manages z-Index visibility */
        toTop: function(elm) { // adds any 'elm' to top of 'jt_BodyZ.que'
                if (!jt_BodyZ.que) {
                        jt_BodyZ.que = document.createElement("div");
                        document.body.appendChild(jt_BodyZ.que);
                        }
                if (!elm.jt_BodyZZ) {
                        elm.jt_BodyZZ = jt_BodyZ.nid++;
                        jt_AddListener(elm, "mousedown", function() {
                                jt_BodyZ.toTop(elm);
                                if (jt_BodyZ.trace && (elm != jt_Trace.tDIV)) {jt_TraceObj.show(elm);}
                                });
                        jt_BodyZ.que.appendChild(elm);
                        jt_BodyZ.set(elm);
                        }
                else if (elm.jt_BodyZZ != jt_BodyZ.last.jt_BodyZZ) jt_BodyZ.set(elm);
                },

        // PRIVATE BELOW
        set: function(elm) {
                elm.style.zIndex = jt_BodyZ.nextZ++;
                jt_BodyZ.last = elm;
                },
        nid:1,
        nextZ:1
        }

var jt_Veil = { /***** cooperates w/ 'jt_BodyZ', required by 'jt_DialogBox' */
        show: function(showIt) {
                jt_Veil.init();
                if (!showIt) jt_Veil.reqs.pop();
                else if (jt_BodyZ.last) jt_Veil.reqs.push(jt_BodyZ.last);
                if (jt_Veil.reqs.length > 0) {
                        jt_Veil.fix();
                        jt_Veil.veil.style.zIndex = jt_Veil.reqs[jt_Veil.reqs.length-1].style.zIndex-1;
                        jt_BodyZ.que.insertBefore(jt_Veil.veil, jt_Veil.reqs[jt_Veil.reqs.length-1]);
                        }
                jt_Veil.veil.style.display = (jt_Veil.reqs.length == 0) ? "none" : "block";
                },

        // PRIVATE BELOW
        fix: function() {
                jt_Veil.veil.style.width = document.body.scrollWidth;
                jt_Veil.veil.style.height = document.body.scrollHeight;
                },
        init: function() {
                if (typeof jt_Veil.veil == "undefined") { // once per page
                        jt_Veil.reqs = [];
                        jt_Veil.veil = document.createElement('div');
                        for (var prop in jt_Veil.css) jt_Veil.veil.style[prop] = jt_Veil.css[prop];
                        jt_Veil.veil.innerHTML = "&nbsp;";
                        if (jt_BodyZ.que) jt_BodyZ.que.insertBefore(jt_Veil.veil, jt_BodyZ.que.firstChild);
                        else jt_BodyZ.toTop(jt_Veil.veil);
                        jt_AddListener(window, "resize", jt_Veil.fix);
                        }
                },
        css: {position:"absolute", display:"none", top:0, left:0, cursor:"not-allowed", backgroundColor:"#000000", filter:"alpha(opacity=20)", opacity:0.2}
        }


function jt_ShowHideElm(elm, showIt) {
        if (elm) {elm.style.visibility = (showIt) ? "visible" : "hidden";}
        }

function jt_ShowNoneElm(elm, showIt, showStyle) {
        if (elm) {elm.style.display = showIt ? (showStyle ? showStyle : 'block') : "none";}
        }

function jt_ShowHide(divName, showIt) {
        jt_ShowHideElm(document.getElementById(divName), showIt);
        }

function jt_ShowNone(divName, showIt, showStyle) {
        jt_ShowNoneElm(document.getElementById(divName), showIt, showStyle);
        }

function jt_setOpacity(elm, opacity) {
        elm.style.opacity = opacity / 100;
        elm.style.filter = 'alpha(opacity=' + opacity + ')';
        }

function jt_valPx(pixels) {
        return pixels + "px";
        }

function jt_moveTo(obj, x, y) {
        obj.style.left = jt_valPx(x);
        obj.style.top = jt_valPx(y);
        }

function jt_Point(x, y) {
        // returns a "Point" object with '.x' and '.y' properties
        this.x = x;
        this.y = y;
        }

function jt_getOffsetXY(obj, findID, point) {
        // returns 'jt_Point' object with '.x' and '.y' offsets of 'obj' relative to page
        // or relative to optional 'findID', if 'findID' is found as a parent
        if (point) { // optional 'point' is re-used when valid; good practice when dragging
                point.x = obj.offsetLeft;
                point.y = obj.offsetTop;
                }
        else {point = new jt_Point(obj.offsetLeft, obj.offsetTop);}
        var parent = obj.offsetParent;
        while (parent !== null) {
                if (findID && (parent.id == findID)) break;
                point.x += parent.offsetLeft;
                point.y += parent.offsetTop;
                parent = parent.offsetParent;
                }
        return point;
        }

function jt_AddListener(obj, evType, fn) {
        if (obj.addEventListener) {obj.addEventListener(evType, fn, false);}
        else if (obj.attachEvent) {obj.attachEvent('on' + evType, fn);}
        }

function jt_RemListener(obj, evType, fn) {
        if (obj.removeEventListener) {obj.removeEventListener(evType, fn, false);}
        else if (obj.detachEvent) {obj.detachEvent('on' + evType, fn);}
        }

function jt_fixE(ev) {
        var e = ev ? ev : window.event;
        return e;
        }

function jt_currStyle(divToRead) { // return current (derived) CSS style object
        var cs = divToRead.style;
        if (window.getComputedStyle) {cs = window.getComputedStyle(divToRead,null);}
        else if (divToRead.currentStyle) {cs = divToRead.currentStyle;}
        return cs;
        }

function jt_width(divToRead, currStyle) {
        var wide = currStyle ? currStyle.width : jt_currStyle(divToRead).width;
        return (wide = 'auto') ? divToRead.offsetWidth : parseInt(wide);
        }

function jt_height(divToRead, currStyle) {
        var high = currStyle ? currStyle.height : jt_currStyle(divToRead).height;
        return (high = 'auto') ? divToRead.offsetHeight : parseInt(high);
        }

function jt_winW() {
        if (document.documentElement && (document.documentElement.clientWidth > 0)) {return document.documentElement.clientWidth;}
        else if (window.innerWidth) {return window.innerWidth;}
        else {return document.body.clientWidth;}
        }

function jt_winH() {
        if (window.innerHeight) {return window.innerHeight;}
        else if (document.documentElement && (document.documentElement.clientHeight > 0)) {return document.documentElement.clientHeight;}
        else {return document.body.clientHeight;}
        }

function jt_scrollLeft() {
        if (window.pageXOffset) {return window.pageXOffset;}
        else if (document.documentElement && (document.documentElement.scrollLeft > 0)) {return document.documentElement.scrollLeft;}
        else {return document.body.scrollLeft;}
        }

function jt_scrollTop() {
        if (window.pageYOffset) {return window.pageYOffset;}
        else if (document.documentElement && (document.documentElement.scrollTop > 0)) {return document.documentElement.scrollTop;}
        else {return document.body.scrollTop;}
        }

function jt_parseQuery(queryString) { // converts name/value pairs in 'queryString' to JS object
        var stQuery = (queryString) ? queryString : top.location.search; // use 'top.location.search' if 'queryString' is null
        if (stQuery.indexOf("?") === 0) stQuery = stQuery.substring(1);
        var qObj = {};
        if (stQuery) {
                var nvPairs = stQuery.split("&");
                for (var i=0; i < nvPairs.length; i++) {
                        var posEq = nvPairs[i].indexOf("=");
                        if (posEq !== -1) {
                                var nam = nvPairs[i].substring(0,posEq);
                                if (nam.indexOf('.') === -1) qObj[nam] = nvPairs[i].substring(posEq+1);
                                }
                        }
                }
        return qObj;
        }

function jt_alignCorner(elmToMove, elmAnchor, TlTrBlBr, xOffset, yOffset) {
        // aligns 'elmToMove' with 'elmAnchor' based on 2-character 'TlTrBlBr' indicating corner: 'TL' | 'TR' | 'BL' | 'BR'
        xOffset = xOffset ? xOffset : 0; // optional param
        yOffset = yOffset ? yOffset : 0; // optional param
        var anchorXY = jt_getOffsetXY(elmAnchor);
        var xxOffset = (TlTrBlBr.indexOf('R') !== -1) ? (elmToMove.offsetWidth - elmAnchor.offsetWidth) : 0;
        var yyOffset = (TlTrBlBr.indexOf('B') !== -1) ? elmToMove.offsetHeight : 0;
        jt_moveTo(elmToMove, anchorXY.x - xxOffset + xOffset, anchorXY.y - yyOffset + yOffset);
        }

function jt_divOnScrn(divOnScrn) {
        var divPos = jt_getOffsetXY(divOnScrn);
        var newX = divPos.x;
        var newY = divPos.y;
        if (divPos.x + divOnScrn.offsetWidth - document.body.scrollLeft > document.body.clientWidth) newX = document.body.scrollLeft + document.body.clientWidth - divOnScrn.offsetWidth;
        if (divPos.x < document.body.scrollLeft) newX = document.body.scrollLeft;
        if (divPos.y + divOnScrn.offsetHeight - document.body.scrollTop > document.body.clientHeight) newY = document.body.scrollTop + document.body.clientHeight - divOnScrn.offsetHeight;
        if (divPos.y < document.body.scrollTop) newY = document.body.scrollTop;
        if ((newX !== divPos.x) || (newY !== divPos.y)) jt_moveTo(divOnScrn, newX, newY);
        }

function jt_appendRelative(dragDIV, newParentDIV, xOffset, yOffset) {
        var dragPos = jt_getOffsetXY(dragDIV);
        var newParentPos = jt_getOffsetXY(newParentDIV);
        var xPos = dragPos.x - newParentPos.x;
        var yPos = dragPos.y - newParentPos.y;
        jt_moveTo(dragDIV, xPos + (xOffset ? xOffset : 0), yPos + (yOffset ? yOffset : 0));
        newParentDIV.appendChild(dragDIV);
        }

function jt_DelChildren(elm) { // remove all child nodes of 'elm' from DOM and delete them
        while (elm.hasChildNodes()) {
                var oldChild = elm.removeChild(elm.childNodes[elm.childNodes.length-1]);
                delete(oldChild);
                }
        }

String.prototype.trim = function () {
        return this.replace(/^\s+/g, '').replace(/\s+$/g, '');
        }

function jt_strEmpty(st) {
        return (typeof st === 'string') ? (st.trim() == '') : true;
        }

function jt_setRadio(radioFld, val) { // set 'radioFld' button with value == val and return 'true' (if not disabled!)
        for (var i=0; i<radioFld.length; i++) {
                if (radioFld[i].value == val) {
                        if (!radioFld[i].disabled) {
                                radioFld[i].checked = true;
                                return true;
                                }
                        }
                }
        return false;
        }

function jt_getRadio(radioFld) { // return value of selected 'radioFld' button
        var st = "";
        for (var i=0; i<radioFld.length; i++) {
                if (radioFld[i].checked) {
                        st = radioFld[i].value;
                        break;
                        }
                }
        return st;
        }

function foSelected(pulldown) { // return value of selected item
        var st = "";
        for (var i=0; i<pulldown.options.length; i++) {
                if (pulldown.options[i].selected) {
                        if (pulldown.options[i].value) st = pulldown.options[i].value
                        else st = pulldown.options[i].text;
                        break;
                        }
                }
        return st;
        }

function foPosInList(pulldown, val) { // return position of 'val' in pulldown menu, -1 if not found
        if (val !== "") {
                for (var i=0; i<pulldown.options.length; i++) {
                        var opVal = pulldown.options[i].value;
                        if (opVal === "") opVal = pulldown.options[i].text;
                        if (opVal == val) {
                                return i;
                                break;
                                }
                        }
                }
        return -1;
        }

function foSetSelectVal(pulldown, val) { // set "SELECTED" for item in pulldown menu with 'value===val'
        var p = foPosInList(pulldown,val);
        if (p !== -1) {
                pulldown.options.selectedIndex = p;
                }
        }

function jt_formStr(aForm) {
        var qSt = '';
        for (var i=0; i<aForm.elements.length; i++) {
                if ((aForm.elements[i].type == 'radio') || (aForm.elements[i].type == 'checkbox')) {
                        if (aForm.elements[i].checked) qSt += '&' + aForm.elements[i].name + '=' + aForm.elements[i].value || 'checked';
                        }
                else if (aForm.elements[i].type.indexOf('select') !== -1) {
                        for (var j=0; j<aForm.elements[i].options.length; j++) {
                                if (aForm.elements[i].options[j].selected) qSt += '&' + aForm.elements[i].name + '=' + encodeURIComponent((aForm.elements[i].options[j].value) ? aForm.elements[i].options[j].value : aForm.elements[i].options[j].text);
                                }
                        }
                else if (!jt_strEmpty(aForm.elements[i].value)) qSt += '&' + aForm.elements[i].name + '=' + encodeURIComponent(aForm.elements[i].value);
                }
        return qSt;
        }


/********* BEGIN: jt_AnimCalc *******/
jt_AnimCalc = function(callFunc, specs) {
        this._callFunc = callFunc;
        this.ranges = {};
        this._specs = {};
        this.setSpecs(jt_AnimCalc.defaultSpecs);
        if (specs) this.setSpecs(specs);
        }

jt_AnimCalc.prototype.setRange = function(name, from, to) {
        this.ranges[name] = {'from':from, 'to':to, 'delta':to - from};
        }

jt_AnimCalc.prototype.flipRange = function() {
        for (var prop in this.ranges) {
                var temp = this.ranges[prop].from;
                this.ranges[prop].from = this.ranges[prop].to;
                this.ranges[prop].to = temp;
                this.ranges[prop].delta = this.ranges[prop].to - this.ranges[prop].from;
                }
        }

jt_AnimCalc.prototype.start = function(callDone) {
        this.stop();
        this._callDone = callDone;
        this._callFunc(this.step = this._frac = 0);
        var _this = this;
        this.timer = setInterval(function() {
                _this.step++;
                _this._frac = (1 - Math.cos(_this.step * _this.piStep)) / 2;
                _this._callFunc(_this.step);
                if (_this.step == _this._specs.numSteps) _this.stop();
                }, _this.interval);
        }

jt_AnimCalc.prototype.stop = function() {
        if (this.timer) {
                clearInterval(this.timer);
                this.timer = null;
                if (this.step !== this._specs.numSteps) { // skip to last!
                        this.step = this._specs.numSteps;
                        this._frac = 1;
                        this._callFunc(this.step);
                        }
                if (this._callDone) this._callDone();
                }
        }

jt_AnimCalc.prototype.value = function(name) {
        return this.ranges[name].from + Math.round(this._frac * this.ranges[name].delta);
        }

jt_AnimCalc.prototype.setSpecs = function(specs) {
        for (var prop in specs) this._specs[prop] = specs[prop];
        this.interval = Math.round(this._specs.elapsed / this._specs.numSteps);
        this.piStep = Math.PI / this._specs.numSteps;
        }

jt_AnimCalc.defaultSpecs = {'numSteps':10, 'elapsed':333}
/********* END: jt_AnimCalc *******/


/********* BEGIN: jt_AnimBox *******/
jt_AnimBox = function(boxDIV, opacityDIV, ac_Specs) {
        this._boxDIV = boxDIV;
        this._opacityDIV = opacityDIV ? opacityDIV : boxDIV;
        this.getBoxSize();
        this.wantShow = false;
        this.setStyle('TL'); // default is from top/left
        var _this = this;
        this.animC = new jt_AnimCalc(function() {
                _this._boxDIV.style.width = jt_valPx(_this.animC.value('width'));
                _this._boxDIV.style.height = jt_valPx(_this.animC.value('height'));
                if (_this._animStyle == 'TR') _this._boxDIV.style.left = jt_valPx(_this.animC.value('left'));
                if (_this._opacityDIV) jt_setOpacity(_this._opacityDIV, _this.animC.value('opacity'));
                }, ac_Specs);
        jt_AnimBox.boxList.push(this);
        }

jt_AnimBox.prototype.getBoxPos = function() {
        this.oLeft = parseInt(this._boxDIV.style.left);
        this.oTop = parseInt(this._boxDIV.style.top);
        }

jt_AnimBox.prototype.getBoxSize = function() {
        var currStyle = jt_currStyle(this._boxDIV);
        this.oWidth = parseInt(currStyle.width);
        this.oHeight = jt_height(this._boxDIV, currStyle);
        this.getBoxPos();
        }

jt_AnimBox.prototype.setStyle = function(animStyle) { // currently supported: 'TL' and 'TR'
        this._animStyle = animStyle;
        }

jt_AnimBox.prototype.showHide = function(showIt, callDone) {
        if (showIt !== this.wantShow) {
                this.wantShow = showIt;
                if (showIt) jt_SelectTags.hide();
                this._callDone = callDone;
                var isOn = (this._boxDIV.style.visibility !== 'hidden') && (this._boxDIV.style.display !== 'none');
                if (!isOn) {
                        jt_ShowHideElm(this._boxDIV, false);
                        jt_ShowNoneElm(this._boxDIV, true, 'block');
                        }
                this.animC.setRange('width', showIt ? 0 : this.oWidth, showIt ? this.oWidth : 0);
                this.animC.setRange('height', showIt ? 0 : this.oHeight, showIt ? this.oHeight : 0);
                this.animC.setRange('left', showIt ? this.oLeft + this.oWidth : this.oLeft, showIt ? this.oLeft : this.oLeft + this.oWidth);
                if (this._opacityDIV) this.animC.setRange('opacity', showIt ? 0 : 100, showIt ? 100 : 0);
                this._boxDIV.style.overflow = 'hidden';
                jt_ShowHideElm(this._boxDIV, true);
                var _this = this;
                this.animC.start(function() {
                        if (!_this.wantShow) {
                                jt_ShowHideElm(_this._boxDIV);
                                _this._boxDIV.style.left = jt_valPx(_this.oLeft);
                                _this._boxDIV.style.width = jt_valPx(_this.oWidth);
                                var noRefs = true;
                                for (var i=0; i<jt_AnimBox.boxList.length; i++)
                                        if (jt_AnimBox.boxList[i].wantShow) {noRefs = false; break;};
                                if (noRefs) jt_SelectTags.show();
                                }
                        _this._boxDIV.style.height = '';
                        _this._boxDIV.style.overflow = '';
                        if (_this._callDone) _this._callDone();
                        });
                }
        }

jt_AnimBox.prototype.toggle = function(callDone) {
        this.showHide(!this.wantShow, callDone);
        }

jt_AnimBox.boxList = [];
/********* END: jt_AnimBox *******/

var BrowserDetect = { // from http://www.quirksmode.org/js/detect.html
        init: function () {
                this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
                this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "an unknown version";
                this.OS = this.searchString(this.dataOS) || "an unknown OS";
                },
        searchString: function (data) {
                for (var i=0;i<data.length;i++) {
                        var dataString = data[i].string;
                        var dataProp = data[i].prop;
                        this.versionSearchString = data[i].versionSearch || data[i].identity;
                        if (dataString) {
                                if (dataString.indexOf(data[i].subString) !== -1) return data[i].identity;
                                }
                        else if (dataProp) return data[i].identity;
                        }
                },
        searchVersion: function (dataString) {
                var index = dataString.indexOf(this.versionSearchString);
                if (index == -1) return;
                return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
                },
        dataBrowser: [
                {string: navigator.vendor, subString: "Apple", identity: "Safari"},
                {prop: window.opera, identity: "Opera"},
                {string: navigator.vendor, subString: "iCab", identity: "iCab"},
                {string: navigator.vendor, subString: "KDE", identity: "Konqueror"},
                {string: navigator.userAgent, subString: "Firefox", identity: "Firefox"},
                {string: navigator.userAgent, subString: "Netscape", identity: "Netscape"},     // for newer Netscapes (6+)
                {string: navigator.userAgent, subString: "MSIE", identity: "Explorer", versionSearch: "MSIE"},
                {string: navigator.userAgent, subString: "Gecko", identity: "Mozilla", versionSearch: "rv"},
                {string: navigator.userAgent, subString: "Mozilla", identity: "Netscape", versionSearch: "Mozilla"} // for older Netscapes (4-)
                ],
        dataOS : [
                {string: navigator.platform, subString: "Win", identity: "Windows"},
                {string: navigator.platform, subString: "Mac", identity: "Mac"},
                {string: navigator.platform, subString: "Linux", identity: "Linux"}
                ]
        };

BrowserDetect.init();
var jt_FixIE6 = (BrowserDetect.browser == 'Explorer') && (BrowserDetect.version < 7);
var jt_SelectTags = {
        hide: function() {
                if (jt_FixIE6) {
                        if (!jt_SelectTags.sels) jt_SelectTags.sels = document.body.getElementsByTagName('select');
                        for (var i=0; i<jt_SelectTags.sels.length; i++) jt_ShowHideElm(jt_SelectTags.sels[i]);
                        }
                },
        show: function() {
                if (jt_FixIE6 && jt_SelectTags.sels) {
                        for (var i=0; i<jt_SelectTags.sels.length; i++) jt_ShowHideElm(jt_SelectTags.sels[i], true);
                        }
                }
        }

jt_HTML.vuSrc = function(src) {
        //src = jt_HTML.safe(src).replace(/\t/gi,"&nbsp;&nbsp;&nbsp;&nbsp;");
        //if (BrowserDetect && (BrowserDetect.browser == 'Explorer')) src = src.replace(/\n/gi,"&nbsp;<br />");
        return jt_HTML.safe(src).replace(/\t/gi,"&nbsp;&nbsp;&nbsp;&nbsp;").replace(/\n/gi,"<br>");
        }

function jt_AjaxThis(url, func, req) {
        if (!req) req = xh_newRequest();
        if (req.readyState != 0) req.abort();
        req.open("GET", url, true);
        req.onreadystatechange = function () {
                if (req.readyState == 4) {
                        if (func) func(req);
                        }
                }
        req.send(null);
        }

function jt_AjaxToSrc(url, toDIV, req) {
        toDIV.innerHTML = 'Loading...';
        jt_AjaxThis(url, function(req) {toDIV.innerHTML = jt_HTML.vuSrc(req.responseText);}, req);
        }